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A
B
C
D
E
F
G
H
I
K
L
M
N
O
P
R
S
T
U
V
X
Y
Z
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A
Is used in the electrical industry. It forms almost 1% of the air. Number 18 (Ar). A noble gas.
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B
Its main uses in pharmaceuticals, atomic fire alarms and sprinkler systems. Number 83 (Bi)
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C
One of its most important uses is in an atomic clock. Number 55 (Cs)
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D
A product of the disintegration of radium, thorium and actinium. Emanates from granitic soils and rocks. Number 86 (Rn). A noble gas.
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E
It is obtained as a by-product of the anodic sludge from copper refining. Number 34 (Se).
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F
Prevention of dental caries. Antiadherent of frying pans. In aluminum production. Number 9 (F). A noble gas.
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G
Free in seeds and associated with quartz and pyrite minerals. Jewelry. Number 79 (Au)
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H
In uranium and thorium ores. In some natural gas deposits. Number 2 (He). A noble gas.
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I
Steels. Iron is the most used, useful and cheapest metal, but its problem is corrosion. Essential in living organisms. Number 26 (Fe)
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K
It is used for the definition of meter. Fluorescent lamps. Airport lighting systems. Kr laser in eye surgery. Number 36 (Kr). A noble gas.
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L
Batteries. Medicine. Ceramics. Optics. Number 3 (Li)
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M
Light Alloys. Heat-resistant material in ovens. Fireworks. Number 12 (Mg)
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N
Discharge tubes. Neon lamps (red color). Number 10 (Ne). It is a noble gas.
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O
Essential for breathing. Combustion. Oxidizes a large number of metals. Number 8 (O). It is a noble gas.
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P
In thermometres, electrodes, jewelry and crucibles. Number 78 (Pt)
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R
It is found in minerals such as Lepidolite, Biotite, Feldspar and Carnelite, and in some brines. Number 37 (Rb)
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S
Vulcanization of rubber. Gunpowder. Number 16 (S)
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T
Filament incandescent lamps. Pen ends. Wire of ovens. Cutting tools. Number 74 (W)
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U
Alloys. Static charge eliminator systems. Ceramics. Number 52 (Te)
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V
Metal to produce springs and tools. Number 23 (V)
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X
Fluorescent lamps. Incandescent lights. Anesthetic. Car headlights. Nuclear installations. Number 54 (Xe). A noble gas.
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Y
Infrared sensors. Alloys. Batteries and accumulators. Bearings. Fire resistant materials. Number 51 (Sb)
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Z
Dry batteries. Roof coating. Paints. Deodorants. Number 30 (Zn)